CVE-2020-6806
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-6806
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-6806.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202003-8
Vendor advisory: arch — https://security.archlinux.org/ASA-202003-11
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 68.6.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 74.0-1 |
| debian | bookworm | fixed | 68.6.0esr-1 |
| debian | bullseye | fixed | 68.6.0esr-1 |
| debian | forky | fixed | 68.6.0esr-1 |
| debian | trixie | fixed | 68.6.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.